無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)生(sheng)產(chan)(chan)工(gong)(gong)藝都是(shi)(shi)比(bi)(bi)較(jiao)豐富(fu)的(de)(de)(de)，一般是(shi)(shi)按照(zhao)相應的(de)(de)(de)步驟進(jin)行(xing)加(jia)(jia)(jia)工(gong)(gong)和(he)生(sheng)產(chan)(chan)的(de)(de)(de)： 　　熱(re)(re)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)主要(yao)(yao)生(sheng)產(chan)(chan)工(gong)(gong)序(xu)(△主要(yao)(yao)檢(jian)驗(yan)工(gong)(gong)序(xu))： 　　管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)準備及檢(jian)查△→管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)加(jia)(jia)(jia)熱(re)(re)→穿孔→軋(ya)管(guan)(guan)(guan)(guan)(guan)→鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)再加(jia)(jia)(jia)熱(re)(re)→定(減)徑(jing)→熱(re)(re)處理(li)(li)△→成品管(guan)(guan)(guan)(guan)(guan)矯直(zhi)→精整(zheng)→檢(jian)驗(yan)△(無(wu)(wu)損、理(li)(li)化、臺檢(jian)) →入庫 　　冷(leng)(leng)軋(ya)(拔)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)主要(yao)(yao)生(sheng)產(chan)(chan)工(gong)(gong)序(xu)： 　　坯(pi)(pi)料(liao)準備→酸(suan)洗(xi)(xi)潤滑→冷(leng)(leng)軋(ya)(拔)→熱(re)(re)處理(li)(li)→矯直(zhi)→精整(zheng)→檢(jian)驗(yan) 　　一般的(de)(de)(de)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)產(chan)(chan)工(gong)(gong)藝可以分為冷(leng)(leng)拔與熱(re)(re)軋(ya)兩種，冷(leng)(leng)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)產(chan)(chan)流(liu)程一般要(yao)(yao)比(bi)(bi)熱(re)(re)軋(ya)要(yao)(yao)復雜，管(guan)(guan)(guan)(guan)(guan)坯(pi)(pi)首先要(yao)(yao)進(jin)行(xing)三輥連軋(ya)，擠(ji)壓后要(yao)(yao)進(jin)行(xing)定徑(jing)測試，如(ru)果表(biao)面(mian)(mian)沒有響應裂紋后圓管(guan)(guan)(guan)(guan)(guan)要(yao)(yao)經過割(ge)機進(jin)行(xing)切(qie)(qie)割(ge)，切(qie)(qie)割(ge)成長(chang)度(du)約(yue)一米(mi)的(de)(de)(de)坯(pi)(pi)料(liao)。然后進(jin)入退火(huo)流(liu)程，退火(huo)要(yao)(yao)用酸(suan)性液(ye)體進(jin)行(xing)酸(suan)洗(xi)(xi)，酸(suan)洗(xi)(xi)時(shi)要(yao)(yao)注(zhu)意表(biao)面(mian)(mian)是(shi)(shi)否有大(da)量(liang)(liang)的(de)(de)(de)起泡產(chan)(chan)生(sheng)，如(ru)果有大(da)量(liang)(liang)的(de)(de)(de)起泡產(chan)(chan)生(sheng)說明(ming)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)質(zhi)量(liang)(liang)達不到相應的(de)(de)(de)標準。外觀上冷(leng)(leng)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)要(yao)(yao)短于熱(re)(re)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，冷(leng)(leng)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)壁厚一般比(bi)(bi)熱(re)(re)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)要(yao)(yao)小，但是(shi)(shi)表(biao)面(mian)(mian)看起來比(bi)(bi)厚壁無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)更加(jia)(jia)(jia)明(ming)亮，表(biao)面(mian)(mian)沒有太(tai)多的(de)(de)(de)粗糙，口徑(jing)也沒有太(tai)多的(de)(de)(de)毛刺。